diff --git a/cmd/esbuild/service.go b/cmd/esbuild/service.go
index 3b646985805..ae16287d24d 100644
--- a/cmd/esbuild/service.go
+++ b/cmd/esbuild/service.go
@@ -918,7 +918,7 @@ func (service *serviceType) convertPlugins(key int, jsPlugins interface{}, activ
 	}}, nil
 }
 
-func (service *serviceType) handleTransformRequest(id uint32, request map[string]interface{}) []byte {
+func (*serviceType) handleTransformRequest(id uint32, request map[string]interface{}) []byte {
 	inputFS := request["inputFS"].(bool)
 	input := request["input"].(string)
 	flags := decodeStringArray(request["flags"].([]interface{}))
@@ -988,7 +988,7 @@ func (service *serviceType) handleTransformRequest(id uint32, request map[string
 	})
 }
 
-func (service *serviceType) handleFormatMessagesRequest(id uint32, request map[string]interface{}) []byte {
+func (*serviceType) handleFormatMessagesRequest(id uint32, request map[string]interface{}) []byte {
 	msgs := decodeMessages(request["messages"].([]interface{}))
 
 	options := api.FormatMessagesOptions{
@@ -1014,7 +1014,7 @@ func (service *serviceType) handleFormatMessagesRequest(id uint32, request map[s
 	})
 }
 
-func (service *serviceType) handleAnalyzeMetafileRequest(id uint32, request map[string]interface{}) []byte {
+func (*serviceType) handleAnalyzeMetafileRequest(id uint32, request map[string]interface{}) []byte {
 	metafile := request["metafile"].(string)
 
 	options := api.AnalyzeMetafileOptions{}
diff --git a/internal/bundler/linker.go b/internal/bundler/linker.go
index ec6b691fa4f..46ac63b97f9 100644
--- a/internal/bundler/linker.go
+++ b/internal/bundler/linker.go
@@ -1126,7 +1126,7 @@ func (a crossChunkImportArray) Less(i int, j int) bool {
 }
 
 // Sort cross-chunk imports by chunk name for determinism
-func (c *linkerContext) sortedCrossChunkImports(chunks []chunkInfo, importsFromOtherChunks map[uint32]crossChunkImportItemArray) crossChunkImportArray {
+func (*linkerContext) sortedCrossChunkImports(chunks []chunkInfo, importsFromOtherChunks map[uint32]crossChunkImportItemArray) crossChunkImportArray {
 	result := make(crossChunkImportArray, 0, len(importsFromOtherChunks))
 
 	for otherChunkIndex, importItems := range importsFromOtherChunks {
diff --git a/internal/css_ast/css_ast.go b/internal/css_ast/css_ast.go
index 11f33e6e38c..edaeda2e887 100644
--- a/internal/css_ast/css_ast.go
+++ b/internal/css_ast/css_ast.go
@@ -314,7 +314,7 @@ func (*RAtImport) Equal(rule R) bool {
 	return false
 }
 
-func (r *RAtImport) Hash() (uint32, bool) {
+func (*RAtImport) Hash() (uint32, bool) {
 	return 0, false
 }
 
diff --git a/internal/css_parser/css_decls_font_weight.go b/internal/css_parser/css_decls_font_weight.go
index 6b8fe90acb7..e41dd7e2af6 100644
--- a/internal/css_parser/css_decls_font_weight.go
+++ b/internal/css_parser/css_decls_font_weight.go
@@ -7,7 +7,7 @@ import (
 	"github.com/evanw/esbuild/internal/css_lexer"
 )
 
-func (p *parser) mangleFontWeight(token css_ast.Token) css_ast.Token {
+func (*parser) mangleFontWeight(token css_ast.Token) css_ast.Token {
 	if token.Kind != css_lexer.TIdent {
 		return token
 	}
diff --git a/internal/css_parser/css_decls_transform.go b/internal/css_parser/css_decls_transform.go
index e5cdbae63e6..e8a0ac02147 100644
--- a/internal/css_parser/css_decls_transform.go
+++ b/internal/css_parser/css_decls_transform.go
@@ -18,7 +18,7 @@ func turnPercentIntoNumberIfShorter(t *css_ast.Token) {
 
 // https://www.w3.org/TR/css-transforms-1/#two-d-transform-functions
 // https://drafts.csswg.org/css-transforms-2/#transform-functions
-func (p *parser) mangleTransforms(tokens []css_ast.Token) []css_ast.Token {
+func (*parser) mangleTransforms(tokens []css_ast.Token) []css_ast.Token {
 	for i := range tokens {
 		if token := &tokens[i]; token.Kind == css_lexer.TFunction {
 			if args := *token.Children; css_ast.TokensAreCommaSeparated(args) {
diff --git a/internal/fs/fs.go b/internal/fs/fs.go
index 353df7650e6..ac709edf9cd 100644
--- a/internal/fs/fs.go
+++ b/internal/fs/fs.go
@@ -151,7 +151,7 @@ func (f *InMemoryOpenedFile) Read(start int, end int) ([]byte, error) {
 	return []byte(f.Contents[start:end]), nil
 }
 
-func (f *InMemoryOpenedFile) Close() error {
+func (*InMemoryOpenedFile) Close() error {
 	return nil
 }
 
diff --git a/internal/fs/fs_mock.go b/internal/fs/fs_mock.go
index e5392850f3f..50bb852650d 100644
--- a/internal/fs/fs_mock.go
+++ b/internal/fs/fs_mock.go
@@ -69,7 +69,7 @@ func (fs *mockFS) OpenFile(path string) (OpenedFile, error, error) {
 	return nil, syscall.ENOENT, syscall.ENOENT
 }
 
-func (fs *mockFS) ModKey(path string) (ModKey, error) {
+func (*mockFS) ModKey(path string) (ModKey, error) {
 	return ModKey{}, errors.New("This is not available during tests")
 }
 
@@ -148,10 +148,10 @@ func (*mockFS) Rel(base string, target string) (string, bool) {
 	return commonParent + target, true
 }
 
-func (fs *mockFS) kind(dir string, base string) (symlink string, kind EntryKind) {
+func (*mockFS) kind(dir string, base string) (symlink string, kind EntryKind) {
 	panic("This should never be called")
 }
 
-func (fs *mockFS) WatchData() WatchData {
+func (*mockFS) WatchData() WatchData {
 	panic("This should never be called")
 }
diff --git a/internal/graph/input.go b/internal/graph/input.go
index 2a54fc987b9..62a1c0dc324 100644
--- a/internal/graph/input.go
+++ b/internal/graph/input.go
@@ -120,6 +120,6 @@ type CopyRepr struct {
 	URLForCode string
 }
 
-func (repr *CopyRepr) ImportRecords() *[]ast.ImportRecord {
+func (*CopyRepr) ImportRecords() *[]ast.ImportRecord {
 	return nil
 }
diff --git a/internal/js_parser/js_parser.go b/internal/js_parser/js_parser.go
index e7aa849b2f5..4314aa9b4bc 100644
--- a/internal/js_parser/js_parser.go
+++ b/internal/js_parser/js_parser.go
@@ -8936,7 +8936,7 @@ func (p *parser) mangleIfExpr(loc logger.Loc, e *js_ast.EIf) js_ast.Expr {
 	return js_ast.Expr{Loc: loc, Data: e}
 }
 
-func (p *parser) isAnonymousNamedExpr(expr js_ast.Expr) bool {
+func (*parser) isAnonymousNamedExpr(expr js_ast.Expr) bool {
 	switch e := expr.Data.(type) {
 	case *js_ast.EArrow:
 		return true
@@ -10053,7 +10053,7 @@ func (p *parser) maybeRelocateVarsToTopLevel(decls []js_ast.Decl, mode relocateV
 	return js_ast.Stmt{Loc: value.Loc, Data: &js_ast.SExpr{Value: value}}, true
 }
 
-func (p *parser) markExprAsParenthesized(value js_ast.Expr) {
+func (*parser) markExprAsParenthesized(value js_ast.Expr) {
 	switch e := value.Data.(type) {
 	case *js_ast.EArray:
 		e.IsParenthesized = true
@@ -11568,7 +11568,7 @@ func (p *parser) isValidAssignmentTarget(expr js_ast.Expr) bool {
 }
 
 // "`a${'b'}c`" => "`abc`"
-func (p *parser) mangleTemplate(loc logger.Loc, e *js_ast.ETemplate) js_ast.Expr {
+func (*parser) mangleTemplate(loc logger.Loc, e *js_ast.ETemplate) js_ast.Expr {
 	// Can't inline strings if there's a custom template tag
 	if e.TagOrNil.Data == nil {
 		end := 0
diff --git a/internal/js_parser/js_parser_lower.go b/internal/js_parser/js_parser_lower.go
index e3ea2d34162..607521465e7 100644
--- a/internal/js_parser/js_parser_lower.go
+++ b/internal/js_parser/js_parser_lower.go
@@ -777,7 +777,7 @@ flatten:
 	}
 }
 
-func (p *parser) lowerParenthesizedOptionalChain(loc logger.Loc, e *js_ast.ECall, childOut exprOut) js_ast.Expr {
+func (*parser) lowerParenthesizedOptionalChain(loc logger.Loc, e *js_ast.ECall, childOut exprOut) js_ast.Expr {
 	return childOut.thisArgWrapFunc(js_ast.Expr{Loc: loc, Data: &js_ast.ECall{
 		Target: js_ast.Expr{Loc: loc, Data: &js_ast.EDot{
 			Target:  e.Target,
diff --git a/internal/js_parser/ts_parser.go b/internal/js_parser/ts_parser.go
index 811d1a3b52d..2977cd4a60a 100644
--- a/internal/js_parser/ts_parser.go
+++ b/internal/js_parser/ts_parser.go
@@ -1854,7 +1854,7 @@ func (p *parser) generateClosureForTypeScriptEnum(
 	return stmts
 }
 
-func (p *parser) wrapInlinedEnum(value js_ast.Expr, comment string) js_ast.Expr {
+func (*parser) wrapInlinedEnum(value js_ast.Expr, comment string) js_ast.Expr {
 	if strings.Contains(comment, "*/") {
 		// Don't wrap with a comment
 		return value
diff --git a/internal/xxhash/xxhash.go b/internal/xxhash/xxhash.go
index 15c835d5417..7f8f70570b5 100644
--- a/internal/xxhash/xxhash.go
+++ b/internal/xxhash/xxhash.go
@@ -59,10 +59,10 @@ func (d *Digest) Reset() {
 }
 
 // Size always returns 8 bytes.
-func (d *Digest) Size() int { return 8 }
+func (*Digest) Size() int { return 8 }
 
 // BlockSize always returns 32 bytes.
-func (d *Digest) BlockSize() int { return 32 }
+func (*Digest) BlockSize() int { return 32 }
 
 // Write adds more data to d. It always returns len(b), nil.
 func (d *Digest) Write(b []byte) (n int, err error) {